<style>.panel-heading a{color:#FFFFFF;text-decoration:none;}</style><div class="panel-group" id="panel-13465">	<div class="panel panel-primary">		<div class="panel-heading">			<a class="panel-toggle text-center" data-parent="#panel-13465" data-toggle="collapse" href="#panel-element-707348">				课程管理			</a>		</div>		<div id="panel-element-707348" class="panel-collapse in collapse" role="tabpanel">     		<ul class="list-group">				<li class="list-group-item"><a href="?{x2;$_app}-teach-basic">课程管理</a></li>			</ul>		</div>	</div></div>